16161665060609 has 8 divisors (see below), whose sum is σ = 16440929736000. Its totient is φ = 15882578323632.

The previous prime is 16161665060581. The next prime is 16161665060617. The reversal of 16161665060609 is 90606056616161.

16161665060609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16161665060609 - 2²⁰ = 16161664012033 is a prime.

It is a super-2 number, since 2×16161665060609² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16161665060809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44301374 + ... + 44664695.

It is an arithmetic number, because the mean of its divisors is an integer number (2055116217000).

Almost surely, 2^{16161665060609} is an apocalyptic number.

It is an amenable number.

16161665060609 is a deficient number, since it is larger than the sum of its proper divisors (279264675391).

16161665060609 is an equidigital number, since it uses as much as digits as its factorization.

16161665060609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88969207.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 16161665060609 in words is "sixteen trillion, one hundred sixty-one billion, six hundred sixty-five million, sixty thousand, six hundred nine".